|Easton's Bible Dictionary|
Workmen skilled in stopping the seams of the deck or sides of vessels. The inhabitants of Gebel were employed in such work on Tyrian vessels (Ezek. 27:9, 27; marg., "strengtheners" or "stoppers of chinks").
Calkers (2 Occurrences)
Ezekiel 27:9 The ancients of Gebal and the wise men thereof were in thee thy calkers: all the ships of the sea with their mariners were in thee to occupy thy merchandise. (KJV JPS ASV WBS)
Ezekiel 27:27 Thy riches, and thy fairs, thy merchandise, thy mariners, and thy pilots, thy calkers, and the occupiers of thy merchandise, and all thy men of war, that are in thee, and in all thy company which is in the midst of thee, shall fall into the midst of the seas in the day of thy ruin. (KJV JPS ASV WBS)